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Finding the Fourth Proportional to 633,086.52, 873,626.22 and 346,551.72

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Solution

The fourth proportional to 633,086.52, 873,626.22 and 346,551.72 is: 478,223.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,086.52 : 873,626.22 = 346,551.72 : x
  2. Step 2: Convert to fraction form
    633,086.52/873,626.22 = 346,551.72/x
  3. Step 3: Cross multiply
    633,086.52x = 873,626.22 × 346,551.72
  4. Step 4: Simplify right side
    633,086.52x = 302,756,669,178.10
  5. Step 5: Solve for x
    x = 302,756,669,178.10/633,086.52
  6. Step 6: Final answer
    x = 478,223.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.